Telecommunications Companies in the UK

SIC 6420Transport, storage and communication|0% formed since 2020|Data updated 5 Jun 2026
3
Active

3 active UK companies are classified under telecommunications (SIC code 6420), a specialised sector. This sector falls under Section I — Transport, storage and communication — of the UK Standard Industrial Classification. The sector has a relatively low 17.8% dissolution rate — 3 of 107 registrations remain active. This is a mature sector with limited new entrants — only 0% of companies were incorporated since 2020. 1100% of active companies were formed before 2000, reflecting the sector's deep roots in the UK economy. The average company in this sector is 29.0 years old, suggesting established and stable operators.

Source: Companies House register via UVAGATRON, June 2026

3
Active Companies
I
SIC Section
1984
Oldest Company
0%
Growth (2020s)
29 yr
Avg Company Age

A mature, established sector with companies averaging 29 years.

Incorporation by Decade
28%
67%
Pre-1990: 3
1990s: 30
2000s: 72
2010s: 2

Data Signals

Governance
21 src
Financial
11 src
Risk
11 src

Sector Overview

The telecommunications sector has a <Link href="/glossary/company-dissolution">17.8% dissolution rate</Link>. The average active company in this sector is 29 years old.

17.8%
Dissolution rate
29 yrs
Avg company age

Frequently Asked Questions

How many telecommunications companies are there in the UK?

There are 3 active companies classified under SIC code 6420 (Telecommunications) in the UK, out of 107 total registered.

What is SIC code 6420?

SIC code 6420 stands for "Telecommunications". It belongs to Section I — Transport, storage and communication of the UK Standard Industrial Classification.

Where are most telecommunications companies located?

Company locations vary across the UK.

What is the average age of telecommunications companies?

The average active telecommunications company in the UK is 29 years old, with the oldest registration dating back to 1984.

What government data is available for telecommunications companies?

Our database contains 4 data signals across 3 categories for active telecommunications companies. The largest category is Governance with 2 signals from 1 government sources.

Research UK Companies with AI

5.9M companies, 50M+ signals from 53 government sources. Risk scores, director networks, entity analysis.

Data is updated daily from official UK government sources including Companies House. Information is provided for reference only.